[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [RFC] PVFB: Add refresh period to XenStore parameters?
Markus Armbruster, le Mon 05 May 2008 11:58:53 +0200, a écrit : > >> Other than that, the change seems to affect only Mini-OS and > >> CONFIG_STUBDOM, which are both outside the area of my expertise (and > >> frankly, interest). > > > > Well, that could be used in the linux frontend to disable the timer too. > > That may interest e.g. laptop users. > > The frontend should not send any events unless something's drawing on > the display. Agreed. > And when something's drawing on the display, the guest, > and therefore the laptop, is already burning processor cycles, Agreed. > and whether disabling sending updates saves any battery power is not > obvious. Disabling _sending_ updates does not, yes. > Of course, if you can demonstrate it does... Disabling _having to care_ whether some updates should be sent _do_ save battery. Now, contrary to what I thought, it happens that linux' xenfb is not using a periodic timer but a triggered timer, so it does not in that case indeed. Samuel _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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